Electrical issues, all door locks, trunk release, gas cap?
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Cadillac Seville / Cadillac Eldorado Forum Discussion, Electrical issues, all door locks, trunk release, gas cap? in Past Cadillac Vehicle Discussion; Hi, have several codes related to the drivers door module, didn't buy one yet because in addition to all the ...
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    stsdad is offline Cadillac Owners Member
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    Electrical issues, all door locks, trunk release, gas cap?

    Hi, have several codes related to the drivers door module, didn't buy one yet because in addition to all the door locks not working, the interior lights are out, as well as the trunk release and the gas cap door. Is it possible that I have a loose ground? I just went to the bone yard and pulled the front and rear fuse boxes from a 2001 DHS, I now have plenty of relays to try but would like some help so I'm not just bumping around in the dark.
    Thanks!

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    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Electrical issues, all door locks, trunk release, gas cap?

    Before you start easter-egging modules, check the valet switch in the glove compartment. (Trunk pop and fuel door pop)

    The driver's door switch panel and the interior lights are different modules.

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    ternstes is online now Cadillac Owners Fanatic
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    Have you checked for diagnostic codes?

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    stsdad is offline Cadillac Owners Member
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    Re: Electrical issues, all door locks, trunk release, gas cap?

    OK, checked the valet switch, it's off. Pulled the following codes...DDM U1255, DIM U1255, IPC 1000, IPMU1255, AMP 4713, DIM 3219, IPC 2456,MSM 9594, RFA 2579. I had just pulled codes about 2 weeks ago, all was fine except an occasional code for the front knock sensors. I'm wondering if I have an issue in the front fuse box, when I pulled the engine I noticed one of the terminals had some black around it, cleaned it up an put some contact grease on it, seemed fine. Now I suddenly have several isssues that have appeared all at once, and yes I realize the trunk/gas cap, interior lights, and door locks are all separate systems.

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    ternstes is online now Cadillac Owners Fanatic
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    Re: Electrical issues, all door locks, trunk release, gas cap?

    any of the modules report "No Data"?

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    stsdad is offline Cadillac Owners Member
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    Re: Electrical issues, all door locks, trunk release, gas cap?

    How would I determine that? I am still suspecting the drivers door module, but would be very interested in knowing more.

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    MoistCabbage's Avatar
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    It would say "NO DATA" instead of displaying codes or "NO XXX CODES".

    Codes are meaningless without definitions.

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    stsdad is offline Cadillac Owners Member
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    Re: Electrical issues, all door locks, trunk release, gas cap?

    OK, no IRC data, No IPM data...

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    ternstes is online now Cadillac Owners Fanatic
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    Re: Electrical issues, all door locks, trunk release, gas cap?

    Disconnect the battery for 10 minutes to see if those modules come back online when you reconnect battery power. I had an issue once with the RIM module not communicating. Unhooked the battery and the module started communicating again. A "No Data" message means that module is not talking to the rest of the modules for some reason.

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    Re: Electrical issues, all door locks, trunk release, gas cap?

    Check the radio fuse, if blown, replace then turn off the valet switch in the glove compartment.

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    Submariner409's Avatar
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    Re: Electrical issues, all door locks, trunk release, gas cap?

    dogottie, please do not hijack threads. Start your own, stating YOUR problems with YOUR car.......... That way all replies are for you, not several other members. Thanks.

    You need to get up to speed on your car's maintenance and repair - start by reading all the sticky posts at the top of this page as well as at the top of the Engines; Northstar Performance page.

    "Speed limited to 90" is a suspension fault. As in the stickys ^^^, learn to use your car's built-in code scanner/memory to see any trouble codes that may be set by monitored systems.

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